Home / 36,299.16-54,430.74-21,309.84

Finding the Fourth Proportional to 36,299.16, 54,430.74 and 21,309.84

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Solution

The fourth proportional to 36,299.16, 54,430.74 and 21,309.84 is: 31,954.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,299.16 : 54,430.74 = 21,309.84 : x
  2. Step 2: Convert to fraction form
    36,299.16/54,430.74 = 21,309.84/x
  3. Step 3: Cross multiply
    36,299.16x = 54,430.74 × 21,309.84
  4. Step 4: Simplify right side
    36,299.16x = 1,159,910,360.48
  5. Step 5: Solve for x
    x = 1,159,910,360.48/36,299.16
  6. Step 6: Final answer
    x = 31,954.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.